M76 - The Little Dumbbell Nebula
From the author of Welcome to the Universe in 3D
20:31 EST Nov 8, 2021.
Starlight Express Trius SX-694 on 10" RC at f/9.
Hα = 80min, O-III = 80min (guided 2 minute subexposures).
Stacked in StackImages.py.
Combined with image data from 2005 and 2006.
23:22 EDT Sep 30, 2005 and 02:38 EDT Oct 14, 2006.
Starlight Express SXV-H9 on 10" RC at f/9.
L = 60min,
O-III = 80min,
Hα = 158min,
R=15min, G=15min, B=15min (guided 4 and 5 minute subexposures).
Richardson-Lucy, Custom Digital Development.